Redundant Ao Iops; Figure 8 Analog Output Fta With Redundant Analog Output Iops - Honeywell HPM Service

Redundant AO IOPs

When an Analog Output FTA interfaces with two IOPs through separate cables, and an automatic
selector switch on the FTA selects which IOP's output drives the field wiring terminal connectors on the
FTA. The following figure is an illustration of an Analog Output FTA interface with two Analog Output
IOPs.

Figure 8 Analog Output FTA with Redundant Analog Output IOPs

Field Wiring
Terminals
Redundancy Model
Analog Output FTA
R688
December 2020
Primary
HPMM Card File
J15
J2
J3
HPM High-Performance Process Manager Service
Honeywell
2 Equipment Description
Secondary
HPMM Card File
J15
327 56
2.8 IOP Card Files
59